*{
    padding: 0;
    margin: 0;
}
.w{
   width: 800px; 
   height: 100%;
   margin: 0 auto;
   background-color: pink;
}
.foot{
    width: 100%;
    height: 80px;
}
.trust{
    width: 400px;
    height: 80px;
    background-color: #b9b9b9;
}
.trust p{
    line-height: 80px;
}
.w>img{
    width: 60px;
    height: 60px;
}